21002308080

Names of 21002308080

• Cardinal: 21002308080 can be written as Twenty-one billion, two million, three hundred eight thousand and eighty.

Scientific notation

• Scientific notation: 2.100230808 × 10¹⁰

Factors of 21002308080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2542

Divisors of 21002308080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 39 40 48 52 58 60 65 78 80 87 97 104 116 120 130 145 156 174 194 195 208 232 240 260 290 291 312 348 377 388 390 435 464 485 520 580 582 624 696 754 776 780 870 970 1040 1131 1160 1164 1261 1392 1455 1508 1552 1560 1740 1885 1940 2262 2320 2328 2393 2522 2813 2910 3016 3120 3480 3770 3783 3880 4524 4656 4786 5044 5626 5655 5820 6032 6305 6960 7179 7540 7566 7760 8439 9048 9572 10088 11252 11310 11640 11965 12610 14065 14358 15080 15132 16878 18096 18915 19144 20176 22504 22620 23280 23930 25220 28130 28716 30160 30264 31109 33756 35895 36569 37830 38288 42195 45008 45240 47860 50440 56260 57432 60528 62218 67512 69397 71790 73138 75660 84390 90480 93327 95720 100880 109707 112520 114864 124436 135024 138794 143580 146276 151320 155545 168780 182845 186654 191440 208191 219414 225040 232121 248872 277588 287160 292552 302640 311090 337560 346985 365690 373308 416382 438828 464242 466635 497744 548535 555176 574320 585104 622180 675120 693970 696363 731380 746616 832764 877656 902161 928484 933270 1040955 1097070 1110352 1160605 1244360 1387940 1392726 1462760 1493232 1665528 1755312 1804322 1856968 1866540 2081910 2194140 2321210 2488720 2706483 2775880 2785452 2925520 3017573 3331056 3481815 3608644 3713936 3733080 4163820 4388280 4510805 4642420 5412966 5551760 5570904 6035146 6731509 6963630 7217288 7466160 8327640 8776560 9021610 9052719 9284840 10825932 11141808 12070292 13463018 13532415 13927260 14434576 15087865 16655280 18043220 18105438 18569680 20194527 21651864 24140584 26926036 27064830 27854520 30175730 33657545 36086440 36210876 40389054 43303728 45263595 48281168 53852072 54129660 55709040 60351460 67315090 72172880 72421752 80778108 87509617 90527190 100972635 107704144 108259320 120702920 134630180 144843504 161556216 175019234 181054380 201945270 216518640 241405840 262528851 269260360 323112432 350038468 362108760 403890540 437548085 525057702 538520720 700076936 724217520 807781080 875096170 1050115404 1312644255 1400153872 1615562160 1750192340 2100230808 2625288510 3500384680 4200461616 5250577020 7000769360 10501154040 21002308080
• Sum of all divisors σ(n): 73311557760
• Sum of proper divisors (its aliquot sum) s(n): 52309249680
• 21002308080 is an abundant number, because the sum of its proper divisors (52309249680) is greater than itself. Its abundance is 31306941600

Bases of 21002308080

• Binary: 10011100011110101011100100111110000₂
• Hexadecimal: 0x4E3D5C9F0
• Base-36: 9NC8CMO

Squares and roots of 21002308080

• 21002308080 squared (21002308080²) is 441096944687233286400
• 21002308080 cubed (21002308080³) is 9264053925467992723803674112000
• The square root of 21002308080 is 144921.7308756695
• The cube root of 21002308080 is 2759.0252491499

Scales and comparisons

• 21,002,308,080 seconds is equal to 667 years, 42 weeks, 6 hours, 28 minutes.
• To count from 1 to 21,002,308,080 would take you about one thousand, three hundred thirty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21002308080 cubic inches would be around 229.9 feet tall.

Recreational maths with 21002308080

• 21002308080 backwards is 08080320012
• 21002308080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21002308080's digits is 24
• More coming soon!